Zig 0.17.0-dev (Split by item)

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fileSetTimestamps

Dispatch.fileSetTimestamps

fn fileSetTimestamps(
    userdata: ?*anyopaque,
    file: File,
    options: File.SetTimestampsOptions,
) File.SetTimestampsError!void

File

lib/std/Io/Dispatch.zig:3675

Code

fn fileSetTimestamps(
    userdata: ?*anyopaque,
    file: File,
    options: File.SetTimestampsOptions,
) File.SetTimestampsError!void {
    const ev: *Evented = @ptrCast(@alignCast(userdata));
    _ = ev;

    var times_buffer: [2]c.timespec = undefined;
    const times = if (options.modify_timestamp == .now and options.access_timestamp == .now) null else p: {
        times_buffer = .{
            setTimestampToPosix(options.access_timestamp),
            setTimestampToPosix(options.modify_timestamp),
        };
        break :p &times_buffer;
    };

    while (true) switch (c.errno(c.futimens(file.handle, times))) {
        .SUCCESS => return,
        .INTR => {},
        .BADF => |err| return errnoBug(err), // always a race condition
        .FAULT => |err| return errnoBug(err),
        .INVAL => |err| return errnoBug(err),
        .ACCES => return error.AccessDenied,
        .PERM => return error.PermissionDenied,
        .ROFS => return error.ReadOnlyFileSystem,
        else => |err| return unexpectedErrno(err),
    };
}